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ETA C07.611

High confidence

Seeded because it sits behind several brands in this expansion under several different names, and because naming it once makes those brand designations legible rather than mysterious. The whole C07 family shares the same identifying behaviour: a 21,600 vph beat and an 80-hour reserve.

Specifications

Movement manufacturer
ETA
Base caliber
ETA C07.111
Frequency
21,600 vph (3 Hz)
Power reserve
80 hours
Winding
automatic
Complications
Centre seconds · Day · Date

Architecture

The day-date member of the C07 family: the 80-hour architecture with an added day wheel.

Related calibers

References using this caliber

Provenance of this record

Sources & Evidence

Primary sourceTechnical documentation

ETA movement technical communications and specification sheets

ETA SA Manufacture Horlogère Suisse

Accessed
2026-08-19

Cited for

This referenceHigh confidence

Last verified: Not yet reviewed